6061 T6 T5 Aluminum Square Tube Seamless Extruded Tubing

6061 aluminum alloy is a heat-treatable aluminum material with magnesium (Mg) and silicon (Si) as its primary alloying elements, offering a good balance of strength, corrosion resistance, weldability, and machinability. The T5 temper is achieved through cooling from the extrusion process followed by artificial aging, providing moderate strength, while the T6 temper undergoes solution heat treatment and artificial aging to achieve higher mechanical properties. 6061 aluminum alloy square tubes and rectangular tubes are manufactured using a seamless extruded process, featuring square and rectangular cross-sections with uniform wall thickness and excellent structural performance. They are widely used in construction, machinery, automotive components, rail transportation, marine applications, and industrial frameworks. Custom sizes, wall thicknesses, and lengths are available upon request.

6061 T6,T5 Square tube size : 

Width 5-200mm, High 5-200mm, Wall thickness 1-50mm

6061 t6 t5 Round tube size: 

40---440mm diameter, 5--60 wall thickness. 

Tube 6061 T6 T5 Standards：

ASTM B221, ASTM B241, ASTM B429, AMS-QQ-A-200/8, MIL-DTL

Advantages of 6061 t6 t5 aluminum tube

• High Strength – Tensile strength up to 276 MPa and yield strength up to 241 MPa, providing reliable structural performance.

• Seamless Construction – Eliminates weld seams, ensuring uniform wall thickness, improved sealing, and enhanced structural integrity.

• Corrosion Resistant & Lightweight – Natural oxide layer for corrosion protection; low density of 2.7 g/cm³ reduces overall weight.

• Easy Fabrication – Excellent machinability, weldability, and anodizing performance for efficient manufacturing and customization.

Typical Applications of 6061-T6 Seamless Aluminum Tubes

6061-t6 and 6061-t5 seamless tubes are widely used wherever medium strength, light weight, and leak-free performance are needed, including building frames, curtain wall structures, handrails, scaffolding systems, machine frames, automation equipment, conveyor systems, automotive chassis components, truck bodies, trailer frames, rail transit equipment, ship structures, marine hardware, solar panel mounting systems, aerospace support structures, industrial platforms, storage racks, and general engineering fabrications.